<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>demo</title>
</head>
<body>
<div style="background-color: red;height: 100px;width: 100px;">
    sdfs
</div>
<img src="https://picx.zhimg.com/v2-b4b749d7ec54c9f0fd9405aa1c1d1837_1440w.jpg" alt="">
<div>
    test
</div>
<script type="module" src="../src/performance/observeFP.js"></script>
<script type="module" src="../src/performance/observeFCP.js"></script>
<script type="module" src="../src/performance/observeLCP.js"></script>
<script type="module" src="../src/performance/observeAllResource.js"></script>
</body>
</html>
